/*
 *  Copyright (c) 2010 Brian Stanek <bstanek@gmail.com>
 *
 *  Permission is hereby granted, free of charge, to any person
 *  obtaining a copy of this software and associated documentation
 *  files (the "Software"), to deal in the Software without
 *  restriction, including without limitation the rights to use,
 *  copy, modify, merge, publish, distribute, sublicense, and/or sell
 *  copies of the Software, and to permit persons to whom the
 *  Software is furnished to do so, subject to the following
 *  conditions:
 *
 *  The above copyright notice and this permission notice shall be
 *  included in all copies or substantial portions of the Software.
 *
 *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 *  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
 *  OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 *  NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
 *  HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
 *  WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 *  FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 *  OTHER DEALINGS IN THE SOFTWARE.
 */

package guice.utils
{

import org.flexunit.assertThat;
import org.hamcrest.object.equalTo;

/**
 *  Test cases for guice.utils.Set.
 */
public class SetTest
{
    [Test]
    public function add():void
    {
        var set:Set = new Set();
        var obj:Object = {};
        var obj2:Object = {};

        var result:Boolean = set.add(obj);

        assertThat(result, equalTo(true));
        assertThat(set.length, equalTo(1));

        result = set.add(obj2);

        assertThat(result, equalTo(true));
        assertThat(set.length, equalTo(2));
    }

    [Test]
    public function addDuplicate():void
    {
        var set:Set = new Set();
        var obj:Object = {};

        var result:Boolean = set.add(obj);

        assertThat(result, equalTo(true));
        assertThat(set.length, equalTo(1));

        result = set.add(obj);

        assertThat(result, equalTo(false));
        assertThat(set.length, equalTo(1));
    }

    [Test]
    public function forEachIteration():void
    {
        var alpha:Object = {};
        var beta:Object = {};
        var gamma:Object = {};

        var expected:Array = [alpha, beta, gamma];

        var set:Set = new Set();
        set.add(alpha);
        set.add(beta);
        set.add(gamma);

        for each (var obj:Object in set)
        {
            var index:int = expected.indexOf(obj);
            if (index != -1)
            {
                expected.splice(index, 1);
            }
        }

        assertThat(set.length, equalTo(3));
        assertThat(expected.length, equalTo(0));

    }

    [Test(expects="flash.errors.IllegalOperationError")]
    public function forIteration():void
    {
        var alpha:Object = {};

        var set:Set = new Set();
        set.add(alpha);

        for (var obj:Object in set)
        {
        }

    }

    [Test]
    public function forIterationOverEmptySet():void
    {
        // Wish this didn't succeed...greate recipe for causing a
        // runtime error

        var set:Set = new Set();

        for (var obj:Object in set)
        {
        }

    }

}

}
